Source: U.S. Department of Transportation, Bureau of Transportation
Statistics, Pocket Guide to Transportation.
Composition of the GDP, United States, 1991-2013
Transportation (goods and services) accounts for about 9 to 10% of all the expenses in the
US economy, the 4th most important expense after housing, health care and
food. This share has remained relatively stable in time and is consistent with figures found across developed
economies. This indicates that about one tenth of the efforts in
an economy are related to providing and supporting the mobility
of passengers and freight.